Adam Vejmelka defeated Konstantin Don Gruber 6-3 6-4 in the China F7 round of 32 on hard. The upset overturned the form book — Konstantin Don Gruber came in leading the head-to-head 1–0. Adam Vejmelka claimed a first win over Konstantin Don Gruber in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-27 | Hungary F5 | R32 | clay | Konstantin Don Gruber | 4-6 7-6(2) 6-2 |